Question about 2003 Chevrolet Trailblazer Ext

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What's the best types of spark plugs to use on a Chevy 2003 trailblazers?

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Acdelco plugs in any gm ! Any other kind will cause you grief ! Speaking on experience!!!

Posted on May 27, 2012

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Chevrolet spark plugs - Wholesale Chevrolet spark plugs direct to you from Auto Parts GIANT.com.

888 - 311- 5186

http://www.autopartsgiant.com/chevrolet/sparkplugs/

Posted on Mar 31, 2011

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2003 4.2 chevy trailblazer what do I do if it is


is it running ok? P0300 is random misfire (P0301 is first cyl, P0304 is 4th....) Check spark plugs and replace dirty ones. Check coil and HT leads.

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Trailblazer 2003 not shooting / picking up immediately


The first thing I would do is clean the throttle body. Don't use carburetor cleaner, use throttle body cleaner

Jan 27, 2013 | 2003 Chevrolet Chevrolet TrailBlazer

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2003 Chevy Trailerblazer getting low gas mileage


Try changing the fuel and air filter as well as spark plugs and wires

Jan 02, 2013 | 2003 Chevrolet Chevrolet TrailBlazer

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My 2003 Chevy Trailblazer suddenly started running rough and stalling, It smelled like fireworks.


1st things first, clean your throttle body. Also, that smell is concerning, have a muffler shop do a back pressure test on the Catalytic converter.

Jan 23, 2012 | 2003 Chevrolet TrailBlazer

1 Answer

What code P0301 on chevy trailblazer 2003


cylinder #1 misfire, could be the spark plug, the cables or the coils, did you do a tune up to your car lately? or a fuel injector is failing, go for the plugs first and cables, some times is a process of elimination, Thanks

Nov 06, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

What's the best spark plugs to use in 05 chevy trailblazer


After playing around for years with different plugs from coper to platinum I have found that the AC plug that came with it is the best replacement. GM plugs are now rated for 100,000 mi or 160,000 KM.

Feb 25, 2011 | 2005 Chevrolet TrailBlazer

1 Answer

Whee are the spark plugs located on a 2003 chevy trailblazer


Underneath all the plastic on the top of the engine. Remove the plastic and remove each of the 6 coils, (2 bolts for each coil). Your plugs are under each coil. Use AC Delco 43-103's, TB's love these more than all others.

Nov 29, 2010 | 2003 Chevrolet Trailblazer Ext

2 Answers

Changing spark plugs in 2003 chevy trailblazer


CHANGING SPARK PLUGS IN TRAIL BLAZER. YOU NEED TO REMOVE AIR INTAKE RESONATOR AND IGNITION COILS.YOU NEED LONG 3/8 EXTENSION - SPARK PLUG SOCKET - 3/8 RATCHET WRENCH. NEED SPARK PLUG GAUGE AND A TORQUE WRENCH.YOU CAN GET BY WITH OUT ONE LONG AS YOU DONT OVER TIGHTEN PLUGS AND STRIP OUT ALUMINUM THREADS.

Jun 26, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

What is the best of spark plugs that fix my 2007 chevy trailblazer?


the best one are the ones that came with the car new if you dont know the auto part store can tell you what one are the oem one those will work the best

Feb 08, 2010 | 2007 Chevrolet TrailBlazer SS

1 Answer

Where are the spark plugs on my 2003 chevy trailblazer?


on the both sides of the engine they probably have coils sitting on top of them instead of plug wires

May 16, 2009 | 2003 Chevrolet TrailBlazer

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